Current monitoring system and output current monitoring device

Abstract

A current monitoring system and an output current monitoring device are provided. The output current monitoring device includes a control module, a communication module, a first hub module, a second hub module, a current sensor module, and a switch module. The switch module is disposed between the power generation devices and the power collecting device. The current sensor module is disposed at one side of the switch module adjacent to the power collecting device for detecting a plurality of current values of the power generation devices. The control module receives a modulation signal of the server to adjust a turn-on state or a turn-off state of the switch module for determining a total power that the power generation device provides to the power collecting device.

What is claimed is: 
     
         1 . An output current monitoring device electrically connected to a plurality of power generation devices and a power collecting device, the output current monitoring device comprising:
 a control module;   a communication module electrically connected to the control module;   a first hub module electrically connected to the control module;   a second hub module electrically connected to the control module;   a current sensor module electrically connected to the second hub module; and   a switch module electrically connected to the first hub module, the switch module being electrically connected to the power generation devices and the power collecting device, the switch module being disposed between the power generation devices and the power collecting device, and the current sensor module being disposed at one side of the switch module adjacent to the power collecting device for detecting a plurality of current values of the power generation devices;   wherein the control module communicates with a server through the communication module, and receives a modulation signal of the server, and the control module adjusts a turn-on state or a turn-off state of the switch module to determine a total power that the power generation device provides to the power collecting device.   
     
     
         2 . The output current monitoring device of  claim 1 , further comprising:
 a case, the control module, the communication module, the first hub module, the second hub module, the current sensor module, and the switch module being disposed in the case.   
     
     
         3 . The output current monitoring device of  claim 1 , further comprising:
 a power module electrically connected to the control module and an AC power source for providing a driving power to the output current monitoring device, the power module being an AC to DC converter.   
     
     
         4 . The output current monitoring device of  claim 1 , wherein the switch module includes a first switch unit, a second switch unit, a third switch unit, and a fourth switch unit, the current sensor module includes a first current sensor, a second current sensor, a third current sensor, and a fourth sensor, and the power generation devices includes a first power generation device, a second power generation device, a third power generation device, and a fourth power generation device, and wherein the first switch unit is electrically connected to the first power generation device and the power collecting device, the second switch unit is electrically connected to the second power generation device and the power collecting device, the third switch unit is electrically connected to the third power generation device and the power collecting device, the fourth switch unit is electrically connected to the fourth power generation device and the power collecting device, the first current sensor is disposed at one side of the first switch unit that is adjacent to the power collecting device, the second current sensor is disposed at one side of the second switch unit that is adjacent to the power collecting device, the third current sensor is disposed at one side of the third switch unit that is adjacent to the power collecting device, and the fourth current sensor is disposed at one side of the fourth switch unit that is adjacent to the power collecting device. 
     
     
         5 . The output current monitoring device of  claim 4 , wherein the first current sensor, the second current sensor, the third current sensor, and the fourth current sensor are Hall sensors. 
     
     
         6 . The output current monitoring device of  claim 1 , wherein the first hub module and the second hub module are serial control modules, and the communication module is a wired communication module or a wireless communication module. 
     
     
         7 . A current monitoring system communicating with a server, the current monitoring system comprising:
 four power generation devices;   an output current monitoring device electrically connected to the four power generation devices, the output current monitoring device including:
 a control module; 
 a communication module electrically connected to the control module, the communication module communicating with the server; 
 a first hub module electrically connected to the control module; 
 a second hub module electrically connected to the control module; 
 a current sensor module electrically connected to the second hub module, the current sensor including four current sensors; and 
 a switch module including four switch units, the four switch units of the switch module electrically connected to the first hub module; and 
   a power collecting device electrically connected to the output current monitoring device for transmitting the power provided by the four power generation devices to an electrical grid;   wherein the four switch units of the switch module are electrically connected to the four power generation devices respectively, the four switch units of the switch module are respectively connected to the power collecting device through four power cables, the four switch units of the switch module are respectively disposed between the four power generation devices and the power collecting device, the four current sensors are respectively disposed at an outer side of the four power cables, and the current monitoring system adjusts turn-on states or turn-off states of the four switch units of the switch module of the output current monitoring device based on a power providing data provided by the server.